Potassium in PDB 5nht: Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2

The structure of Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2, PDB code: 5nht was solved by C.Exertier, J.-B.Reiser, V.Lantez, A.Chouquet, M.Bonneville, X.Saulquin, D.Housset, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	16.00 / 3.20
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	222.077, 49.284, 96.133, 90.00, 97.61, 90.00
R / Rfree (%)	21.3 / 29.9

The structure of Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2 also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Potassium atom in the Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2 (pdb code 5nht). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2, PDB code: 5nht:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2 within 5.0Å range: probe atom residue distance (Å) B Occ H:K302 b:66.5 occ:1.00 OD2 H:ASP30 4.2 56.5 1.0 OG H:SER4 4.3 70.4 1.0 OD1 H:ASP29 4.4 65.7 1.0 CB H:ASP29 4.4 62.3 1.0 CG H:ASP29 4.4 64.8 1.0 CA H:ASP29 4.5 60.5 1.0 O H:SER2 4.8 67.3 1.0 OD1 H:ASP30 4.8 54.6 1.0 CG H:ASP30 4.8 55.7 1.0 OD2 H:ASP29 5.0 65.6 1.0

Potassium binding site 2 out of 2 in the Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2 within 5.0Å range: probe atom residue distance (Å) B Occ H:K303 b:69.3 occ:1.00 OD1 H:ASP30 3.6 54.6 1.0 O H:ASP29 3.7 59.0 1.0 OH L:TYR63 4.2 50.6 1.0 CD2 H:TYR27 4.3 40.0 1.0 CZ H:PHE8 4.3 38.3 1.0 CG H:TYR27 4.4 40.5 1.0 CE2 H:TYR27 4.5 39.3 1.0 CD H:ARG6 4.5 84.9 1.0 CE1 H:PHE8 4.6 38.4 1.0 CD1 H:TYR27 4.7 39.6 1.0 CA H:ASP30 4.7 56.4 1.0 CG H:ASP30 4.7 55.7 1.0 C H:ASP29 4.8 58.5 1.0 CZ H:TYR27 4.8 37.6 1.0 CB H:TYR27 4.9 42.6 1.0 CE1 H:TYR27 4.9 39.1 1.0

C.Exertier, J.-B.Reiser, D.Housset. Human 199.54-16 Tcr in Complex with Melan-A/Mart-1 (26-35) Peptide and Hla-A2 To Be Published.